---
title: HKCategoryValueHeadphoneAudioExposureEvent
framework: healthkit
role: symbol
role_heading: Enumeration
path: healthkit/hkcategoryvalueheadphoneaudioexposureevent
---

# HKCategoryValueHeadphoneAudioExposureEvent

Exposure events for headphone audio.

## Declaration

```swift
enum HKCategoryValueHeadphoneAudioExposureEvent
```

## Topics

### Events

- [HKCategoryValueHeadphoneAudioExposureEvent.sevenDayLimit](healthkit/hkcategoryvalueheadphoneaudioexposureevent/sevendaylimit.md)

### Initializers

- [init(rawValue:)](healthkit/hkcategoryvalueheadphoneaudioexposureevent/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Copyable](swift/copyable.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [HKCategoryValuePredicateProviding](healthkit/hkcategoryvaluepredicateproviding.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Assigning Values

- [HKCategoryValue](healthkit/hkcategoryvalue.md)
- [HKCategoryValueCervicalMucusQuality](healthkit/hkcategoryvaluecervicalmucusquality.md)
- [HKCategoryValueMenstrualFlow](healthkit/hkcategoryvaluemenstrualflow.md)
- [HKCategoryValueOvulationTestResult](healthkit/hkcategoryvalueovulationtestresult.md)
- [HKCategoryValueContraceptive](healthkit/hkcategoryvaluecontraceptive.md)
- [HKCategoryValueSleepAnalysis](healthkit/hkcategoryvaluesleepanalysis.md)
- [HKCategoryValueAppetiteChanges](healthkit/hkcategoryvalueappetitechanges.md)
- [HKCategoryValuePresence](healthkit/hkcategoryvaluepresence.md)
- [HKCategoryValueSeverity](healthkit/hkcategoryvalueseverity.md)
- [HKCategoryValueEnvironmentalAudioExposureEvent](healthkit/hkcategoryvalueenvironmentalaudioexposureevent.md)
- [HKCategoryValueLowCardioFitnessEvent](healthkit/hkcategoryvaluelowcardiofitnessevent.md)
- [HKAppleWalkingSteadinessClassification](healthkit/hkapplewalkingsteadinessclassification.md)
- [HKCategoryValueAppleWalkingSteadinessEvent](healthkit/hkcategoryvalueapplewalkingsteadinessevent.md)
- [HKCategoryValuePregnancyTestResult](healthkit/hkcategoryvaluepregnancytestresult.md)
- [HKCategoryValueProgesteroneTestResult](healthkit/hkcategoryvalueprogesteronetestresult.md)